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70017 (1998 YL9)
Classification: Main-belt Asteroid          SPK-ID: 2070017
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355383050895216 4.9531e-08  
a 3.130233394602375 2.5521e-08 au
q 2.70596686576335 1.525e-07 au
i 10.79312548624408 4.5409e-06 deg
node 266.9348982351327 3.361e-05 deg
peri 196.8890874191825 4.3568e-05 deg
M 311.0656214306387 2.6908e-05 deg
tp 2459275.463523318469
(2021-Mar-01.96352332)		 0.00015238 TDB
period 2022.849196998413
5.54		 2.4739e-05
6.773e-08		 d
yr
n .1779668007551837 2.1765e-09 deg/d
Q 3.554499923441401 2.898e-08 au
   Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      8586 days (23.51 yr)  
   first obs. used      1996-07-23  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:02:18  

Additional Information
 Earth MOID = 1.72483 au 
 Jupiter MOID = 1.64614 au 
 T_jup = 3.172 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO412615  
diameter diameter 5.945 km 0.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70017 (1998 YL9)          Discovered 1998-Dec-26 by Comba, P. G. at Prescott
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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